/
constant.go
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/
constant.go
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// Copyright (c) 2021 The Houyi Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package houyi
import (
"github.com/houyi-tracing/houyi/ports"
"time"
)
// flags.go
const (
// sampler
pullStrategiesInterval = "sampling.pull.interval"
// reporter
reporterType = "reporter.type"
// params of reporter
agentHost = "agent.host"
agentPort = "agent.port"
maxBufferedSize = "max.buffered.size"
bufferRefreshInterval = "buffer.refresh.interval"
queueSize = "reporter.queue.size"
DefaultPullStrategiesInterval = time.Second * 10
DefaultReporterType = "remote"
DefaultAgentAddr = "localhost"
DefaultAgentPort = ports.AgentGrpcListenPort
DefaultBufferRefreshInterval = time.Second * 1
DefaultQueueSize = 100
DefaultMaxBufferedSize = 65000
)
// reporter.go
const (
ReporterType_Null = "null"
ReporterType_Logging = "logging"
ReporterType_Remote = "remote"
)
// sampler.go
const (
SamplerTypeKey = "sampler.type"
SamplerParamKey = "sampler.param"
SamplerTypeConst = "const"
SamplerTypeDynamic = "dynamic"
SamplerTypeAdaptive = "adaptive"
SamplerTypeProbability = "probability"
SamplerTypeRateLimiting = "rate-limiting"
)
// tracer.go
const (
BaggageServiceNameKey = "svc"
BaggageOperationNameKey = "op"
ParentServiceNameTagKey = "p-svc"
ParentOperationNameTagKey = "p-op"
)
// propagation.go
const (
TraceContextHeaderName = "houyi-tx-ctx"
TraceBaggageHeaderPrefix = "houyi-"
)